Concentric drill steels for noise reduction of percussion drilling

By Stein Robert R.   Aljoe William W.  

INTER-NOISE and NOISE-CON Congress and Conference Proceedings, Vol. 1986, Iss. 3, 1986-07 ,pp. : 333-336

Institute of Noise Control Engineering

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USBM develops a low noise percussion drill

By Bartholomae Roy C.   Kovac John G.  

INTER-NOISE and NOISE-CON Congress and Conference Proceedings, Vol. 1980, Iss. 3, 1980-12 ,pp. : 317-320

Institute of Noise Control Engineering

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On the noise from percussive drill rods

By Lednik D.   Perkins N.C.   Sato K.   Lalor N.  

INTER-NOISE and NOISE-CON Congress and Conference Proceedings, Vol. 1988, Iss. 4, 1988-08 ,pp. : 687-690

Institute of Noise Control Engineering

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Small diameter in-the-hole percussion drilling tool for percussion drill noise control

By Bartholomae Roy C.  

INTER-NOISE and NOISE-CON Congress and Conference Proceedings, Vol. 1994, Iss. 1, 1994-05 ,pp. : 175-180

Institute of Noise Control Engineering

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A noise control for a roof bolting machine: Collapsible drill steel enclosure

By Matetic Rudy J.   Kovalchik Peter G.   Peterson J. Shawn   Alcorn Lynn A.  

INTER-NOISE and NOISE-CON Congress and Conference Proceedings, Vol. 2008, Iss. 1, 2008-07 ,pp. : 1439-1445

Institute of Noise Control Engineering

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